public void Get_tokens_correctly()
{
Assert.AreEqual(3, ExpressionCalc.GetTokens("1+2").Count());
Assert.AreEqual(3, ExpressionCalc.GetTokens("11+22").Count());
Assert.AreEqual(5, ExpressionCalc.GetTokens("-11*(-22)").Count());
Assert.AreEqual(7, ExpressionCalc.GetTokens("(1+5)-2").Count());
}
static void Main(string[] args)
{
Console.WriteLine("Enter the expression!");
var expression = Console.ReadLine();
try
{
ExpressionCalc calc = new ExpressionCalc();
Console.WriteLine("The result is {0}", calc.Calculate(expression));
}
catch (Exception e)
{
Console.WriteLine("Ooops! {0}", e.Message);
}
Console.ReadKey();
}
public void Setup()
{
calc = new ExpressionCalc();
}